Luminescent door knob indicator



FIG. 1 is a front elevational view of the luminescent door knob indicator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a reduced front elevational view thereof, the door and frame being shown in broken lines for illustrative purposes only. 

The ornamental design for a luminescent door knob indicator, as shown and described. 